Bathtub



FIG. 1 is a right side top perspective view of a bathtub.

FIG. 2 is a top plan view thereof.

FIG. 3 is a left side top perspective view thereof.

FIG. 4 is a rear view thereof.

FIG. 5 is a right side view thereof.

FIG. 6 is a front side view thereof.

FIG. 7 is a left side view thereof.

FIG. 8 is a bottom side view thereof; and,

FIG. 9 is a right side bottom perspective view thereof.

The broken lines depict portions of the bathtub that form no part of the claimed design. 

CLAIM The ornamental design for a bathtub, as shown and described. 